Contents Section: Mechanical All sections

Engine Mechanical (H6DO): Specifications Subaru Outback BP рестайлинг

Mechanical 8 illustrations ~137 words

SPECIFICATION

EngineCylinder arrangementHorizontally opposed, liquid cooled, 6-cylinder, 4-stroke gasoline engine
Valve system mechanismChain driven, double overhead camshaft, 4-valve/cylinder
Bore x StrokeMm (in)89.2 x 80 (3.512 x 3.150)
DisplacementCm 3 (cu in)3,000 (183)
Compression ratio10.7
Compression pressure (350 RPM and fully open throttle)KPa (Kgf/cm 2 , psi)1,275 - 1,471 (13.0 - 15.0, 185 - 213)
Number of piston ringsPressure ring: 2, Oil ring: 1
Intake valve timingMin. advanceOpenBTDC 47°
CloseABDC 23°
Max. retardOpenATDC 3°
CloseABDC 73°
Exhaust valve timingOpenBBDC 46°
CloseATDC 6°
Valve clearanceMm (in)Intake0.20 +0.04 -0.06 (0.0079+ 0.0016 -0.0024 )
Exhaust0.35±0.05 (0.0138±0.0020)
Idle RPM ["P" or "N" range]RPMNo load650±50
A/C ON770±50
Ignition order1 --> 6 --> 3 --> 2 --> 5 --> 4
Ignition timingBTDC/RPM15°±8°/650
CamshaftSide clearanceMm (in)IntakeStandard0.075 - 0.135 (0.0030 - 0.0053)
ExhaustStandard0.030 - 0.090 (0.0012 - 0.0035)
Cam lobe heightMm (in)IntakeHIGHStandard42.09 - 42.19 (1.6571 - 1.6610)
LOW1Standard38.14 - 38.24 (1.5016 - 1.5055)
LOW2Standard38.14 - 38.24 (1.5016 - 1.5055)
ExhaustStandard40.45 - 40.55 (1.5925 - 1.5965)
Cam base circle diameterMm (in)IntakeHIGHStandard32.00 (1.2598)
LOW1Standard31.84 (1.2535)
LOW2Standard31.84 (1.2535)
ExhaustStandard32.00 (1.2598)
Journal O.D.Mm (in)FrontStandard37.946 - 37.963 (1.4939 - 1.4946)
Except for frontStandard25.946 - 25.963 (1.0215 - 1.0222)
Oil clearanceMm (in)Standard0.037 - 0.072 (0.0015 - 0.0028)
Cylinder headFlatnessMm (in)Standard0.02 (0.0008)
Inner diameter of valve lifter holeMm (in)32.994 - 33.016 (1.2990 - 1.2998)
Standard heightMm (in)124±0.05 (4.88±0.0020)
Valve seatSeating angle90°
Contacting widthMm (in)IntakeStandard1.0 (0.039)
ExhaustStandard1.5 (0.059)
Valve guideInside diameterMm (in)5.500 - 5.512 (0.2165 - 0.2170)
Protrusion above headMm (in)11.4 - 11.8 (0.449 - 0.465)
ValveHead edge thicknessMm (in)IntakeStandard1.0 (0.039)
ExhaustStandard1.2 (0.047)
Stem outer diameterMm (in)Intake5.455 - 5.470 (0.2148 - 0.2154)
Exhaust5.445 - 5.460 (0.2144 - 0.2150)
Stem oil clearanceMm (in)IntakeStandard0.030 - 0.057 (0.0012 - 0.0022)
ExhaustStandard0.040 - 0.067 (0.0016 - 0.0026)
Overall lengthMm (in)Intake99.7 (3.925)
Exhaust105.2 (4.142)
Outer diameter of valve lifterMm (in)32.959 - 32.975 (1.2976 - 1.2982)
Valve springFree lengthMm (in)IntakeInner39.55 (1.5571)
Outer41.18 (1.6213)
Exhaust46.32 (1.8236)
SquarenessIntakeInner2.5°, 1.7 mm (0.067 in) or less
Outer2.5°, 1.8 mm (0.071 in) or less
Exhaust2.5°, 2.0 mm (0.079 in) or less
Cylinder blockStandard heightMm (in)202 (7.95)
Cylinder inner diameterMm (in)StandardA89.205 - 89.215 (3.5120 - 3.5124)
B89.195 - 89.205 (3.5116 - 3.5120)
CylindricallyMm (in)Standard0.030 (0.0012)
Out-of-roundnessMm (in)Standard0.010 (0.0004)
Piston clearanceMm (in)Standard0.010 - 0.010 (-0.0004 - 0.0004)
Cylinder inner diameter boring limit (diameter)Mm (in)To 89.715 (3.5321)
PistonOuter diameterMm (in)StandardA89.205 - 89.215 (3.5120 - 3.5124)
B89.195 - 89.205 (3.5116 - 3.5120)
0.25 (0.0098) OS89.445 - 89.465 (3.5215 - 3.5222)
0.50 (0.0197) OS89.695 - 89.715 (3.5313 - 3.5321)
Inner diameter of piston pin holeMm (in)Standard22.000 - 22.006 (0.8661 - 0.8664)
Piston pinOuter diameterMm (in)Standard21.994 - 22.000 (0.8659 - 0.8661)
Standard clearance between piston and piston pinMm (in)Standard0.004 - 0.008 (0.0002 - 0.0003)
Piston ringRing closed gapMm (in)Top ringStandard0.20 - 0.35 (0.0079 - 0.0138)
Second ringStandard0.35 - 0.50 (0.0138 - 0.0197)
Oil ringStandard0.20 - 0.60 (0.0079 - 0.0236)
Ring groove gapMm (in)Top ringStandard0.040 - 0.080 (0.0016 - 0.0031)
Second ringStandard0.030 - 0.070 (0.0012 - 0.0028)
Oil ringStandard0.045 - 0.125 (0.0018 - 0.0049)
Connecting rodThrust clearanceMm (in)Standard0.070 - 0.330 (0.0028 - 0.0130)
Bearing of large endOil clearanceMm (in)Standard0.016 - 0.043 (0.0006 - 0.0017)
Bearing size (Thickness at center)Mm (in)Standard1.490 - 1.506 (0.0587 - 0.0593)
0.03 (0.0012) US1.509 - 1.513 (0.0594 - 0.0596)
0.05 (0.0020) US1.519 - 1.523 (0.0598 - 0.0600)
0.25 (0.0098) US1.619 - 1.623 (0.0637 - 0.0639)
Bushing of small endClearance between piston pin and bushingMm (in)Standard0 - 0.022 (0 - 0.0009)
CrankshaftCrank pin and crank journalOut-of-roundnessMm (in)0.005 (0.0002)
CylindricallyMm (in)0.006 (0.0002)
Crank pin outer diameterMm (in)Standard51.984 - 52.000 (2.0466 - 2.0472)
0.03 (0.0012) US51.954 - 51.970 (2.0454 - 2.0461)
0.05 (0.0020) US51.934 - 51.950 (2.0446 - 2.0453)
0.25 (0.0098) US51.734 - 51.750 (2.0368 - 2.0374)
Crank journal outer diameterMm (in)#1, #3, #5, #7Standard63.992 - 64.008 (2.5194 - 2.5200)
0.03 (0.0012) US63.962 - 63.978 (2.5182 - 2.5188)
0.05 (0.0020) US63.942 - 63.958 (2.5174 - 2.5180)
0.25 (0.0098) US63.742 - 63.758 (2.5095 - 2.5102)
#2, #4, #6Standard63.992 - 64.008 (2.5194 - 2.5200)
0.03 (0.0012) US63.962 - 63.978 (2.5182 - 2.5188)
0.05 (0.0020) US63.942 - 63.958 (2.5174 - 2.5180)
0.25 (0.0098) US63.742 - 63.758 (2.5095 - 2.5102)
Thrust clearanceMm (in)Standard0.030 - 0.115 (0.0012 - 0.0045)
Oil clearanceMm (in)Standard0.010 - 0.030 (0.0004 - 0.0012)
Main bearingBearing size (Thickness at center)Mm (in)#1,#3,#5, #7Standard1.992 - 2.005 (0.0784 - 0.0789)
0.03 (0.0012) US2.011 - 2.014 (0.0792 - 0.0793)
0.05 (0.0020) US2.021 - 2.024 (0.0796 - 0.0797)
0.25 (0.0098) US2.121 - 2.124 (0.0835 - 0.0836)
#2, #4, #6Standard1.996 - 2.009 (0.0786 - 0.0791)
0.03 (0.0012) US2.015 - 2.018 (0.0793 - 0.0794)
0.05 (0.0020) US2.025 - 2.028 (0.0797 - 0.0798)
0.25 (0.0098) US2.125 - 2.128 (0.0837 - 0.0838)
NOTE: OS: Oversize US: Undersize
NOTE
OS: Oversize US: Undersize

ENGINE SPECIFICATION

Scheme 487

Scheme 487: V-BELT

Scheme 488

Scheme 488: TIMING CHAIN COVER

Scheme 489

Scheme 489: TIMING CHAIN

Scheme 490

Scheme 490: CYLINDER HEAD AND CAMSHAFT

Scheme 491

Scheme 491: CYLINDER HEAD AND VALVE ASSEMBLY

Scheme 492

Scheme 492: CYLINDER BLOCK

Scheme 493

Scheme 493: CRANKSHAFT AND PISTON

Scheme 494

Scheme 494: ENGINE MOUNTING

Refer to "Cylinder Head" for removal and installation procedures of intake and exhaust valves. < Refer to REMOVAL, Cylinder Head. > < Refer to INSTALLATION, Cylinder Head. >

Refer to "Cylinder Block" for removal and installation procedures of pistons. < Refer to REMOVAL, Cylinder Block. > < Refer to INSTALLATION, Cylinder Block. >

Refer to "Cylinder Block" for removal and installation procedures of connecting rod. < Refer to REMOVAL, Cylinder Block. > < Refer to INSTALLATION, Cylinder Block. >

Refer to "Cylinder Block" for removal and installation procedures of crankshaft. < Refer to REMOVAL, Cylinder Block. > < Refer to INSTALLATION, Cylinder Block. >